[    1.488385] ip (257) used greatest stack depth: 12184 bytes left
[   48.636871] netem: version 1.3
[  103.097494] ip (3896) used greatest stack depth: 12136 bytes left
[  540.803257] tc (16943) used greatest stack depth: 11920 bytes left
[  596.798732] pm_nl_ctl (20243) used greatest stack depth: 11864 bytes left